def __init__(self, controller, parent=None):
QWidget.__init__(self, parent)
self.controller=controller
self.setupUi(self)
self.name="Audio"
QObject.connect(
self.active_checkBox, SIGNAL("stateChanged(int)"),
self.isActiveChanged
)
self.lastTime=0
self.replayActive=False
self.ownTimesourceUsed=False
self.audioQuitter=AudioQuitter()
QObject.connect(
self.audioQuitter, SIGNAL("oggEnded()"), self.onOggEnded
)
AudioPlayer.audio_initialize(self.audioQuitter)
# populate the output devices combo
settings = QSettings()
settings.beginGroup("/plugins/PlayerPlugin/Audio")
defaultDeviceIndex = settings.value("outputDevice", AudioPlayer.defaultDeviceIndex()).toInt()[0]
for device in AudioPlayer.devices():
if device.isOutput:
self.cboOutputDevice.addItem( "[%s] %s" % (device.api, device.name), QVariant(device.index))
if device.index == defaultDeviceIndex:
self.cboOutputDevice.setCurrentIndex( self.cboOutputDevice.count()-1 ) # use last added device
def stopReplay(self): if self.replayActive: AudioPlayer.ogg_closeFile() AudioPlayer.audio_stop() self.replayActive=False self.active_checkBox.setEnabled(True)
def unload(self):
AudioPlayer.audio_terminate()
settings = QSettings()
settings.beginGroup("/plugins/PlayerPlugin/Audio")
if self.cboOutputDevice.currentIndex() >= 0:
device = self.cboOutputDevice.itemData(self.cboOutputDevice.currentIndex()).toInt()[0]
settings.setValue("outputDevice", device)
def updateReplayToTime(self, time, forceSeek=False): if self.replayActive: needSync=((self.getReplayPosition()-time) > AUDIO_OFF_TOLERANCE) newFileLoaded=self.loadCorrectOgg(time) if newFileLoaded or forceSeek or needSync: if self.currentFile!=None: AudioPlayer.ogg_seekToTime(time-self.currentFile[1]) self.lastTime=time
def getReplayPosition(self): if self.replayActive: cst=AudioPlayer.audio_getCurrentTime() #workaround for weird portaudio behaviour if self.lastRewindStreamTime==0: self.lastRewindStreamTime=cst rv=cst-self.lastRewindStreamTime+self.lastRewindTime return rv else: return self.lastTime
def startReplay(self, fromTime):
if not self.active_checkBox.isChecked():
self.active_checkBox.setEnabled(False)
return
self.stopReplay()
self.seekReplayToTime(fromTime)
device = self.cboOutputDevice.itemData(self.cboOutputDevice.currentIndex()).toInt()[0]
if not AudioPlayer.audio_start(device):
self.active_checkBox.setChecked(False)
QMessageBox.critical(None, self.tr("Error"), self.tr("Couldn't start audio replay..."))
else:
self.replayActive=True
self.active_checkBox.setEnabled(False)
def loadRecording(self, dataDirectory):
self.active_checkBox.setChecked(False)
#create list of available ogg files in current recording
self.dataDirectory=dataDirectory+self.name+"/"
self.setEnabled(os.path.isdir(self.dataDirectory))
if not os.path.isdir(self.dataDirectory):
self.oggFiles=[]
return
self.oggFiles=[[f,parseAudioFileNameTime(f)] for f in os.listdir(self.dataDirectory) if (f[f.rfind('.'):].lower()==".ogg")]
self.setEnabled(self.oggFiles!=[])
if self.oggFiles==[]:
return
for oggFile in self.oggFiles:
AudioPlayer.ogg_openFile(str(self.dataDirectory+oggFile[0]))
oggFile.append(AudioPlayer.ogg_getLength())
AudioPlayer.ogg_closeFile()
self.active_checkBox.setChecked(True)
self.currentFile=None
self.replayActive=False
def switchToOgg(self, newOgg, onlyIfPlaysUntilTime): if (self.currentFile!=newOgg): if (self.currentFile!=None): AudioPlayer.ogg_closeFile() if (newOgg!=None): AudioPlayer.ogg_openFile(str(self.dataDirectory+newOgg[0])) AudioPlayer.ogg_startDecoding() self.currentFile=newOgg return newOgg!=None return False
def seekReplayToTime(self, time): self.updateReplayToTime(time, True) self.lastRewindTime=time self.lastRewindStreamTime=AudioPlayer.audio_getCurrentTime()
